Aquatic aid



FIG. 1 shows the frontal elevation view of my ornamental design for an aquatic aid;

FIG. 2 shows an end elevation view opposite from that shown in FIG. 1 thereof;

FIG. 3 shows a top plan view thereof;

FIG. 4 shows a bottom view thereof;

FIG. 5 shows a side elevation view thereof; and

FIG. 6 shows a midline sectional view thereof. 

I claim the ornamental design for an aquatic aid, as substantially shown. 